Soft-tissue evidence for homeothermy and crypsis in a Jurassic ichthyosaur

  title={Soft-tissue evidence for homeothermy and crypsis in a Jurassic ichthyosaur},
  author={Johan Lindgren and P. Sj{\"o}vall and V. Thiel and Wenxia Zheng and S. Ito and K. Wakamatsu and R. Hauff and B. Kear and A. Engdahl and C. Alwmark and M. Eriksson and M. Jarenmark and Sven Sachs and P. Ahlberg and F. Marone and Takeo Kuriyama and O. Gustafsson and P. Malmberg and A. Thomen and I. Rodr{\'i}guez-Meizoso and P. Uvdal and M. Ojika and M. Schweitzer},
  • Johan Lindgren, P. Sjövall, +20 authors M. Schweitzer
  • Published 2018
  • Medicine
  • Nature
  • Ichthyosaurs are extinct marine reptiles that display a notable external similarity to modern toothed whales. Here we show that this resemblance is more than skin deep. We apply a multidisciplinary experimental approach to characterize the cellular and molecular composition of integumental tissues in an exceptionally preserved specimen of the Early Jurassic ichthyosaur Stenopterygius. Our analyses recovered still-flexible remnants of the original scaleless skin, which comprises morphologically… CONTINUE READING
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